Vassar, a talented performer, made her way to the United States in 1884, marking the beginning of a remarkable career in the entertainment industry. Throughout the 1890s, she dazzled audiences with her unique blend of music and comedy, establishing herself as a star in her own right.
One of her most notable roles was in the production of "The Lady of the Slipper; Or, A Modern Cinderella," which premiered at the esteemed Globe Theatre in New York City in 1912. The show was a resounding success, running for an impressive 232 performances, cementing Vassar's status as a beloved and accomplished performer of her time.